[    2.428555] ip (248) used greatest stack depth: 12376 bytes left
[    3.054492] ip (282) used greatest stack depth: 12344 bytes left
[   13.632605] ip (1149) used greatest stack depth: 12328 bytes left
[   15.580723] mpls_gso: MPLS GSO support
[  827.502407] blackhole_netdev_xmit(): Dropping skb.
[  827.502484] blackhole_netdev_xmit(): Dropping skb.
[  827.502537] blackhole_netdev_xmit(): Dropping skb.
[  827.502582] blackhole_netdev_xmit(): Dropping skb.
[ 1083.375163] blackhole_netdev_xmit(): Dropping skb.
[ 1083.375226] blackhole_netdev_xmit(): Dropping skb.
[ 1083.375261] blackhole_netdev_xmit(): Dropping skb.
[ 1083.375296] blackhole_netdev_xmit(): Dropping skb.